package edu.calpoly.android.privatecontacts;

import java.util.HashMap;
import java.util.List;

import android.content.Context;
import android.graphics.Typeface;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseExpandableListAdapter;
import android.widget.TextView;

public class ExpandableListAdapter extends BaseExpandableListAdapter {

   private Context _context;
   private List<String> _listDataHeader; // header titles
   // child data in format of header title, child title
   private HashMap<String, List<String>> _listDataChild;

   public ExpandableListAdapter(Context context, List<String> listDataHeader, HashMap<String, List<String>> listChildData) {
       this._context = context;
       this._listDataHeader = listDataHeader;
       this._listDataChild = listChildData;
   }

   @Override
   public Object getChild(int groupPosition, int childPosititon) {
//       Object oWhat = this._listDataChild.get( this._listDataHeader.get(groupPosition) ).get(childPosititon);
//       Log.d("WHATISIT", "this is a "+oWhat.getClass());
       return this._listDataChild.get( this._listDataHeader.get(groupPosition) ).get(childPosititon);
   }

   @Override
   public long getChildId(int groupPosition, int childPosition) {
       return childPosition;
   }

   @Override
   public View getChildView(int groupPosition, final int childPosition,
           boolean isLastChild, View convertView, ViewGroup parent) {

       final String childText = (String) getChild(groupPosition, childPosition);

       if (convertView == null) {
           LayoutInflater infalInflater = (LayoutInflater) this._context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
           convertView = infalInflater.inflate(R.layout.contact_item, null);
       }

       TextView txtListChild = (TextView) convertView.findViewById(R.id.contactItem);

       txtListChild.setText(childText);
       return convertView;
   }

   @Override
   public int getChildrenCount(int groupPosition) {
       return this._listDataChild.get(this._listDataHeader.get(groupPosition))
               .size();
   }

   @Override
   public Object getGroup(int groupPosition) {
       return this._listDataHeader.get(groupPosition);
   }

   @Override
   public int getGroupCount() {
       return this._listDataHeader.size();
   }

   @Override
   public long getGroupId(int groupPosition) {
       return groupPosition;
   }

   @Override
   public View getGroupView(int groupPosition, boolean isExpanded,
           View convertView, ViewGroup parent) {
       String headerTitle = (String) getGroup(groupPosition);
       if (convertView == null) {
           LayoutInflater infalInflater = (LayoutInflater) this._context
                   .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
           convertView = infalInflater.inflate(R.layout.contact_group, null);
       }

       TextView lblListHeader = (TextView) convertView.findViewById(R.id.contactCategoryHeader);
       lblListHeader.setTypeface(null, Typeface.BOLD);
       lblListHeader.setText(headerTitle);

       return convertView;
   }

   @Override
   public boolean hasStableIds() {
       return false;
   }

   @Override
   public boolean isChildSelectable(int groupPosition, int childPosition) {
       return true;
   }
}